AT91RM9200-CI-002 Atmel, AT91RM9200-CI-002 Datasheet - Page 302

• Manufacturer Part Number: AT91RM9200-CI-002
• Description: IC ARM9 MCU 256 BGA
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91RM9200-CI-002

• Core Processor: ARM9
• Core Size: 16/32-Bit
• Speed: 180MHz
• Connectivity: EBI/EMI, Ethernet, I²C, MMC, SPI, SSC, UART/USART, USB
• Peripherals: POR
• Number Of I /o: 122
• Program Memory Size: 128KB (128K x 8)
• Program Memory Type: ROM
• Ram Size: 48K x 8
• Voltage - Supply (vcc/vdd): 1.65 V ~ 1.95 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 256-BGA
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Data Converters: -

24.6.8
Register Name:
Access Type:
• PITS: Period Interval Timer Status Interrupt Mask
• WDOVF: Watchdog Overflow Interrupt Mask
• RTTINC: Real-time Timer Increment Interrupt Mask
• ALMS: Alarm Status Interrupt Mask
0 = The corresponding interrupt is disabled.
1 = The corresponding interrupt is enabled.
24.6.9
Register Name:
Access Type:
• ALMV: Alarm Value
Defines the alarm value compared with the real-time timer. The maximum delay before ALMS status bit activation is
obtained by programming ALMV to 0x0 corresponding to 1048576 seconds.
24.6.10
Register Name:
302
31
23
15
31
23
15
–
–
–
7
–
–
–
7
AT91RM9200
ST Interrupt Mask Register
ST Real-time Alarm Register
ST Current Real-Time Register
30
22
14
30
22
14
–
–
–
6
–
–
–
6
ST_IMR
Read-only
ST_RTAR
Read/Write
ST_CRTR
29
21
13
29
21
13
–
–
–
5
–
–
–
5
28
20
12
28
20
12
–
–
–
4
–
–
–
4
ALMV
ALMV
ALMS
27
19
11
27
19
11
–
–
–
3
–
3
RTTINC
26
18
10
26
18
10
–
–
–
2
–
2
ALMV
WDOVF
25
17
25
17
–
–
9
–
1
–
9
1
1768I–ATARM–09-Jul-09
PITS
24
16
24
16
–
–
8
–
0
–
8
0